There will be vampire invasion in "Supernatural" Season 9, Episode 19 titled "Alex Annie Alexis Ann." Promo photos, videos and synopsis released for the upcoming episode tease about the Winchester brothers working again with Sheriff Jody Mills (Kim Rhodes) in wiping out the supernatural creatures and their nest.

In a released CW Network promo video, Sheriff Mills can be seen giving Sam (Jared Padalecki) and Dean Winchester (Jensen Ackles) information about a girl named Annie who was kidnapped back in 2006. The sheriff was having a hard time interrogating Annie so she called the Winchesters to help her with their expertise.

Sam noticed the layers of scars on Annie's neck indicating that the girl has been with vampires serving as a blood slave. Then, Dean revealed to Sheriff Mills that the reason for Annie's silence is her way of protecting the vampires that took her and their nest.

Meanwhile, another "Supernatural" Seasn 9 promo video in the CW TV series' official Facebook page teased about Sheriff Jody Mills in danger. Can Sam and Dean Winchester save the sheriff from the vampires? Click HERE to watch promo video.

The brand new episode is expected to have intense fight scenes between the Winchesters and the vampires since the promotional photos for "Supernatural" Season 9, Episode 19 also showed Sam Winchester having some vampire trouble. The younger Winchester can be seen taped to a chair while his blood is getting extracted to a bucket. Click HERE to see photos.

The official synopsis for Episode 19 "Alex Annie Alexis Ann" in the Hypable report reads: "SHERIFF MILLS TRIES TO SAVE A YOUNG GIRL FROM A VAMPIRE NEST - Sheriff Mills (guest star Kim Rhodes) calls Sam (Jared Padalecki) and Dean (Jensen Ackles) after she kills a vampire who attacked a prisoner named Annie (guest star Katherine Ramdeen). They discover Annie was kidnapped by a family of vampires who use her as bait to lure in humans they can then feed on. Sheriff Mills tries to rescue Annie from her captors, but finds out the hard way that family always comes first."

"Supernatural" Season 9 airs Tuesday nights at 9 pm on the CW Network. Episode 19 "Alex Annie Alexis Ann" is scheduled to air on April 22, 2014.